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All results from a given calculation for CH3NO3 (Methyl nitrate)

using model chemistry: MP2=FULL/6-31G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at MP2=FULL/6-31G**
 hartrees
Energy at 0K-319.364039
Energy at 298.15K-319.369787
HF Energy-318.466587
Nuclear repulsion energy187.272879
The energy at 298.15K was derived from the energy at 0K and an integrated heat capacity that used the calculated vibrational frequencies.
Vibrational Frequencies calculated at MP2=FULL/6-31G**
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A' 3283 3068 4.66      
2 A' 3152 2945 14.46      
3 A' 1877 1753 187.52      
4 A' 1562 1460 8.39      
5 A' 1510 1411 8.50      
6 A' 1324 1237 213.88      
7 A' 1218 1138 5.84      
8 A' 1074 1003 115.58      
9 A' 866 810 203.38      
10 A' 679 635 17.65      
11 A' 585 546 1.42      
12 A' 354 331 2.93      
13 A" 3262 3048 15.12      
14 A" 1539 1438 6.73      
15 A" 1200 1122 1.31      
16 A" 756 706 13.67      
17 A" 227 212 0.96      
18 A" 146 136 2.51      

Unscaled Zero Point Vibrational Energy (zpe) 12306.0 cm-1
Scaled (by 0.9344) Zero Point Vibrational Energy (zpe) 11498.7 cm-1
See section III.C.1 List or set vibrational scaling factors to change the scale factors used here.
See section III.C.2 Calculate a vibrational scaling factor for a given set of molecules to determine the least squares best scaling factor.
Rotational Constants (cm-1) from geometry optimized at MP2=FULL/6-31G**
ABC
0.38642 0.15678 0.11394

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/6-31G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.000 0.617 0.000
O2 -1.222 0.545 0.000
O3 0.731 1.591 0.000
O4 0.722 -0.601 0.000
C5 -0.144 -1.747 0.000
H6 0.553 -2.578 0.000
H7 -0.766 -1.766 0.889
H8 -0.766 -1.766 -0.889

Atom - Atom Distances (Å)
  N1 O2 O3 O4 C5 H6 H7 H8
N11.22361.21801.41552.36823.24162.65662.6566
O21.22362.21482.25602.53303.59162.51832.5183
O31.21802.21482.19233.45114.17243.78233.7823
O41.41552.25602.19231.43631.98352.08882.0888
C52.36822.53303.45111.43631.08401.08571.0857
H63.24163.59164.17241.98351.08401.78581.7858
H72.65662.51833.78232.08881.08571.78581.7789
H82.65662.51833.78232.08881.08571.78581.7789

picture of Methyl nitrate state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 O4 C5 112.285 O2 N1 O3 130.209
O2 N1 O4 117.302 O3 N1 O4 112.489
O4 C5 H6 102.920 O4 C5 H7 111.072
O4 C5 H8 111.072 H6 C5 H7 110.791
H6 C5 H8 110.791 H7 C5 H8 110.026
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability